Description : Arnon and Stout discovered the essentiality of
Last Answer : Ans. Mo
Description : Concept “Essentiality of elements” was proposed in 1939 by
Last Answer : Ans. Arnon and Stout
Description : Essentiality of light in photosynthesis can be demonstrated by
Last Answer : Essentiality of light in photosynthesis can be demonstrated by A. Molles half leaf experiment B. ... C. Inverted funnel experiment D. KOH solution
Description : Criteria for the essentiality of nutrients for plants was given by (A) Arnon (B) Wilcox (C) Liebig (D) None
Last Answer : (A) Arnon
Description : Forest school is established at
Last Answer : Ans. Dehradun
Description : RBI was established and nationalized in
Last Answer : Ans. 1 st April, 1935 and 1 st January, 1949
Description : 1 st bank in India was established on
Last Answer : Ans. 1806
Description : NAFED was established in the year
Last Answer : Ans. October, 1958
Description : FCI was established in
Last Answer : Ans. 1965
Description : Deficiency of N indicated by plant
Last Answer : Ans. Cauliflower
Description : Excess of N, P and K causes deficiency of
Last Answer : Ans. Cu
Description : Deficiency symptoms of N, P, K, Mg and Mo appear in
Last Answer : Ans. Older leaves
Description : N, P and K are
Last Answer : Ans. Primary nutrients
Description : N, P, K, Ca, Mg and S are
Last Answer : Ans. Macro nutrients
Description : The essential element required by the N fixing bacterium Rhizobium
Description : Slowly released N fertilizers
Last Answer : Ans. Scoated urea, Neem coated urea, Urea super granule
Description : The medium range of available N in soil
Last Answer : Ans. 280-560 kg/ha
Description : Amid form of N fertilizer
Last Answer : Ans. Urea
Description : Cheapest N fertilizer, suitable for foliar spray
Last Answer : Ans. Urea (46%N)
Description : Oldest N fertilizer, best for top dressing in rice
Last Answer : Ans. Ammonium sulphate (20.6%N and 24%S)
Description : Fertilizers contain more than 25% of primary nutrients, e.g. Urea (46%), DAP (18% N and 46% P2O5 ).
Last Answer : Ans. High analysis fertilizers
Description : Those fertilizers having all the three major nutrients viz., N, P and K.
Last Answer : Ans. Complete fertilizers
Description : Well decomposed FYM contains N, P and K content
Last Answer : Ans. 0.5:0.2:0.5%
Description : The C/N ratio in the organic matter of furrow slice (upper 15 cm) of arable soils commonly ranges from
Last Answer : Ans. 8:1 to 15:1
Description : The C : N ratio of the soil are fairly constant between
Last Answer : Ans. 10 : 1 to 12 : 1
Description : Formula for established plants to the speed sown based on the dug seed is given by A. CI= [(E×10000) /(D×W) ]×1000 B. CI=[E/(N+E) ]×100 C.Both (A) and (B) D. None of (A) and (B)
Last Answer : B. CI=[E/(N+E) ]×100
Description : Formula for established plant to the seed sown based on the delivery rate (kg/ha) is A. CI=[(E×10000) /(D×W) ]×100 B. CI=[E/(N+E) ]×100 C. Both (A) and (B) D. None of (A) and (B)
Last Answer : A. CI=[(E×10000) /(D×W) ]×100